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. 2001 May;45(5):1473–1479. doi: 10.1128/AAC.45.5.1473-1479.2001

TABLE 1.

Antipneumocystis activities of 1,4-naphthoquinone derivatives

graphic file with name ac0510005t1a.jpg

Compounda Substituent (at position specified on above parent structureb)
% Inhibition at the following concn [μg/ml]):
2Q 3Q 7Q 0.1 1 10
ATQ −OH graphic file with name ac0510005t1b.jpg −H 27 92 c
1 (39355) −Cl −H 42 88
2 (142574) −O −H 42 79
3 (278) −OH graphic file with name ac0510005t1c.jpg −H 28 51
4 (66457) −CH3 −H 27 43
5 (109542) −OH −OCH3 25 39
6 (100407) −OH −H 11 39
7 (31435) −OH −H 28
8 (359831) −Cl graphic file with name ac0510005t1d.jpg −H 25
9 (295483) −Cl −H 24
10 (2035) −OH −H 18
11 (26695) −OH graphic file with name ac05100051td.jpg −H 14
12 (113452) −OH −H 13
13 (92195) −Cl −H 10
14 (126771) −OH −H 3
15 (26654) −OH −H 14
16 (31855) −OH −H 12
17 (114930) −OH graphic file with name ac0510005t1f.jpg −H 6
18 (113455) −OH −H −5
19 (138685) −OH −H −15
20 (247507) −NH2 −H −23
21 (629756) −OH −H −23
a

Numbers in parentheses are the National Cancer Institute NSC entry numbers. 

b

A Q is suffixed to each locant on the 1,4-naphthoquinone nucleus to distinguish it from the locant bearing the same numeral but identifying a position in the substituent. 

c

−, not tested.